pcep/ietf-stateful02/src/main/java/org/opendaylight/protocol/pcep/ietf/stateful02/Stateful02PCReplyMessageParser.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.pcep.ietf.stateful02;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.Lists;
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.Unpooled;
  15 import java.util.List;
  16 import org.opendaylight.protocol.pcep.impl.message.PCEPReplyMessageParser;
  17 import org.opendaylight.protocol.pcep.spi.MessageUtil;
  18 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
  19 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
  20 import org.opendaylight.protocol.pcep.spi.VendorInformationObjectRegistry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.stateful._02.rev140110.Replies1;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.stateful._02.rev140110.Replies1Builder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.stateful._02.rev140110.lsp.object.Lsp;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcrep;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.Metrics;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.Replies;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.RepliesBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.Result;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.FailureCase;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.FailureCaseBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.SuccessCase;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.SuccessCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.failure._case.NoPath;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.SuccessBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.success.Paths;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.success.PathsBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
  41
  42 /**
  43  * Parser for {@link Pcrep}
  44  */
  45 @Deprecated
  46 public final class Stateful02PCReplyMessageParser extends PCEPReplyMessageParser {
  47
  48     public Stateful02PCReplyMessageParser(final ObjectRegistry registry, final VendorInformationObjectRegistry viReg) {
  49         super(registry, viReg);
  50     }
  51
  52     @Override
  53     public void serializeMessage(final Message message, final ByteBuf out) {
  54         Preconditions.checkArgument(message instanceof Pcrep, "Wrong instance of Message. Passed instance of %s. Need Pcrep.", message.getClass());
  55         final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.PcrepMessage repMsg = ((Pcrep) message).getPcrepMessage();
  56         Preconditions.checkArgument(repMsg.getReplies() != null && !repMsg.getReplies().isEmpty(), "Replies cannot be null or empty.");
  57         final ByteBuf buffer = Unpooled.buffer();
  58         for (final Replies reply : repMsg.getReplies()) {
  59             Preconditions.checkArgument(reply.getRp() != null, "Reply must contain RP object.");
  60             serializeObject(reply.getRp(), buffer);
  61             if (reply.getAugmentation(Replies1.class) != null && reply.getAugmentation(Replies1.class).getLsp() != null) {
  62                 serializeObject(reply.getAugmentation(Replies1.class).getLsp(), buffer);
  63             }
  64             if (reply.getResult() != null) {
  65                 if (reply.getResult() instanceof FailureCase) {
  66                     final FailureCase f = ((FailureCase) reply.getResult());
  67                     serializeObject(f.getNoPath(), buffer);
  68                     serializeObject(f.getLspa(), buffer);
  69                     serializeObject(f.getBandwidth(), buffer);
  70                     if (f.getMetrics() != null && !f.getMetrics().isEmpty()) {
  71                         for (final Metrics m : f.getMetrics()) {
  72                             serializeObject(m.getMetric(), buffer);
  73                         }
  74                     }
  75                     serializeObject(f.getIro(), buffer);
  76                 } else {
  77                     final SuccessCase s = (SuccessCase) reply.getResult();
  78                     for (final Paths p : s.getSuccess().getPaths()) {
  79                         serializeObject(p.getEro(), buffer);
  80                         serializeObject(p.getLspa(), buffer);
  81                         serializeObject(p.getOf(), buffer);
  82                         serializeObject(p.getBandwidth(), buffer);
  83                         if (p.getMetrics() != null && !p.getMetrics().isEmpty()) {
  84                             for (final Metrics m : p.getMetrics()) {
  85                                 serializeObject(m.getMetric(), buffer);
  86                             }
  87                         }
  88                         serializeObject(p.getIro(), buffer);
  89                     }
  90                 }
  91             }
  92         }
  93         MessageUtil.formatMessage(TYPE, buffer, out);
  94     }
  95
  96     @Override
  97     protected Replies getValidReply(final List<Object> objects, final List<Message> errors) {
  98         if (!(objects.get(0) instanceof Rp)) {
  99             errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.<Rp>absent()));
 100             return null;
 101         }
 102         final Rp rp = (Rp) objects.get(0);
 103         objects.remove(0);
 104         Result res = null;
 105         Lsp lsp = null;
 106         if (objects.get(0) instanceof Lsp) {
 107             lsp = (Lsp) objects.get(0);
 108             objects.remove(0);
 109         }
 110         if (!objects.isEmpty()) {
 111             if (objects.get(0) instanceof NoPath) {
 112                 final NoPath noPath = (NoPath) objects.get(0);
 113                 objects.remove(0);
 114                 final FailureCaseBuilder builder = new FailureCaseBuilder();
 115                 builder.setNoPath(noPath);
 116                 while (!objects.isEmpty()) {
 117                     parseAttributes(builder, objects);
 118                 }
 119                 res = builder.build();
 120             } else if (objects.get(0) instanceof Ero) {
 121                 final Ero ero = (Ero) objects.get(0);
 122                 objects.remove(0);
 123                 final SuccessBuilder builder = new SuccessBuilder();
 124                 final List<Paths> paths = Lists.newArrayList();
 125                 final PathsBuilder pBuilder = new PathsBuilder();
 126                 pBuilder.setEro(ero);
 127                 while (!objects.isEmpty()) {
 128                     parsePath(pBuilder, objects);
 129                     paths.add(pBuilder.build());
 130                 }
 131                 builder.setPaths(paths);
 132                 res = new SuccessCaseBuilder().setSuccess(builder.build()).build();
 133             }
 134         }
 135         return new RepliesBuilder().setRp(rp).addAugmentation(Replies1.class, new Replies1Builder().setLsp(lsp).build()).setResult(res).build();
 136     }
 137 }